The caller was not very forthcoming with information about who she was with and what she was calling about. I had to prod a bit to learn she is from Capital Accounts - regarding our "delinquent patient accounts". We use a third party billing service, so if they are wanting to discuss any matters pertaining to existing accounts they would have to call them. She didn't even ask for their name or number, so it was definitely phishing or telemarketing.

Scammer from "Internet Security Desk for Microsoft" warning me that my computer was leaking dangerous information on the internet.
Be sure to ask them if their mother knows what they do for a living...they really hate that.